Author

S. Pontrelli

Listed by name: these papers carry no ORCID for this author, so different people with the same name may be mixed together.

Biology Disciplines

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Microbiology· 6

Signature Assays, Organisms & Methods

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Approach:experimental assay· 5 Research Focus:ecology & biodiversity· 2 Assay:metabolomics· 2 Assay:metagenomics· 2 Organism:bacteria (other)· 1 Organism:C. elegans· 1 Research Focus:cell signaling & trafficking· 1 Research Focus:cell type annotation· 1

Frequent Co-Authors

U. Sauer· 4 shared J. A. Schwartzman· 3 shared O. X. Cordero· 3 shared M. Ackermann· 2 shared R. Stocker· 2 shared S. Pollak· 2 shared A. K. M. Stubbusch· 1 shared A. Narla· 1 shared

Activity by Year

2020-2023 · peak 3/yr

Co-Author Collaboration Network

10 top collaborators · 21 mutual co-author links

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4 shared papersMicrobiology

U. Sauer

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Author profile →

6 papers

Recent·Most cited

High-throughput profiling of metabolic responses to exogenous nutrients in Synechocystis sp. PCC 6803

V. Haavisto, Z. Landry, S. Pontrelli

This study identifies how Synechocystis sp. PCC 6803 responds to 32 nutrients, finding 15 utilized mixotrophically, 7 enhancing growth, and 19 causing negative effects, with oxidative stress and metabolite imbalances playing key roles.

bioRxiv · Nov 15, 2023 · PreprintMicrobiology

Polysaccharide breakdown products drive degradation-dispersal cycles of foraging bacteria through changes in metabolism and motility

A. K. M. Stubbusch, J. M. Keegstra, J. Schwartzman, S. Pontrelli, E. E. Clerc, S. Charlton, R. Stocker, C. Magnabosco, O. T. Schubert, M. Ackermann, G. G. D'Souza

This study shows that marine bacteria switch from polysaccharide degradation to motility when exposed to breakdown products, enabling dispersal to new nutrient sources.

bioRxiv · Jul 14, 2023Microbiology

Ecological stochasticity and phage induction diversify bacterioplankton communities at the microscale

R. E. Szabo, S. Pontrelli, J. Grilli, J. A. Schwartzman, S. Pollak, U. Sauer, O. X. Cordero

The paper investigates microscale microbial community dynamics on chitin particles, finding that stochastic processes and phage predation drive taxonomic and functional variability.

bioRxiv · Sep 27, 2021 · PreprintMicrobiology

Dynamic metabolic exchanges between complementary bacterial types provide collaborative stress resistance

K. Amarnath, A. Narla, S. Pontrelli, J. Dong, B. R. Taylor, T. Caglar, J. A. Schwartzman, U. Sauer, O. X. Cordero, T. Hwa

The paper studies metabolic interactions between bacterial species under acidification, showing how complementary metabolic strategies enable collaborative stress resistance and dynamic ecosystem behavior.

bioRxiv · Jun 24, 2021 · PreprintMicrobiology

Hierarchical control of microbial community assembly

S. Pontrelli, R. Szabo, S. Pollak, J. A. Schwartzman, D. Ledezma-Tejeida, O. X. Cordero, U. Sauer

The paper shows specialized biopolymer degraders direct microbial community assembly through nutrient crossfeeding in a marine model system.

bioRxiv · Jun 22, 2021 · PreprintMicrobiology

A distinct growth physiology enhances bacterial growth under rapid nutrient fluctuations

J. Nguyen, V. Fernandez, S. Pontrelli, U. Sauer, M. Ackermann, R. Stocker

This study shows that E. coli grown in fluctuating nutrient environments has a distinct physiology that reduces growth rate loss compared to steady environments with the same average nutrient concentration.

bioRxiv · Aug 18, 2020Microbiology